Nikolay Tushin contributed to the deckhouse/deckhouse repository by developing two features focused on Kubernetes autoscaling and resource management. He implemented in-place updates for the Vertical Pod Autoscaler, introducing a safeguard that prevents unnecessary pod evictions when live pods are below the minimum replica count, thereby maintaining high availability. Additionally, Nikolay extended Cluster Autoscaler support to Kubernetes versions 1.33 and 1.34, enhancing DaemonSet handling and refining machine deletion priorities to optimize scaling behavior. His work leveraged Go and cloud infrastructure expertise, resulting in robust, maintainable solutions that align autoscaling components with evolving Kubernetes standards without introducing regressions.